graduated release valve的意思|示意
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分级缓解阀
graduated release valve的网络常见释义
缓解阀 ... gradient 斜度；坡度；倾斜度；梯度 graduated release valve 缓解阀；阶段放气阀 granite 花岗石；花岗岩 ...
阶段放气阀 ... gradient 斜度；坡度；倾斜度；梯度 graduated release valve 缓解阀；阶段放气阀 granite 花岗石；花岗岩 ...
graduated release valve相关短语
1、 graduated d release valve 缓解阀